Female skinks store sperm for dry spells

Female tree skinks can reproduce even when they have not encountered a male for more than a year, by storing sperm from previous mates, according to new research.

Study finds evidence of 55 new chemicals in people

Scientists at UC San Francisco have detected 109 chemicals in a study of pregnant women, including 55 chemicals never before reported in people and 42 "mystery chemicals," whose sources and uses are unknown.

Making masks smarter and safer against COVID-19

A new tool for monitoring COVID-19 may one day be right under your nose. Researchers at the University of California San Diego are developing a color-changing test strip that can be stuck on a mask and used to detect SARS-CoV-2 ...

Genetic exchange discovered in anciently asexual rotifers

Evolutionary biologists at Skoltech have discovered recombination in bdelloid rotifers, microscopic freshwater invertebrates characterized by their presumed ancient asexuality. The existence of such anciently asexual groups ...

Scientists spawn bonefish in captivity for the first time

It took scientists in Japan more than 50 years to successfully spawn eels in captivity to help preserve the species. In a race to solve a major challenge for conservation aquaculture, a breakthrough by researchers at Florida ...

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